docs: def get_annual_occurrence_rates(self):
          """
          Calculate and return the annual occurrence rates histogram.
  
          :returns:
              See :meth:
              `openquake.hazardlib.mfd.base.BaseMFD.get_annual_occurrence_rates`.
          """
          mag, num_bins = self._get_min_mag_and_num_bins()
          rates = []
          for i in range(num_bins):
              rate = self._get_rate(mag)
              rates.append((mag, rate))
              mag += self.bin_width
          return rates